and Nordyne M7 and MG9 series furnaces

the 7681-3301 is built to handle the specific amperage and voltage requirements of York furnace parts across the 3400

When performing routine teardowns or replacing a hot surface ignitor

Robust Construction: Built to handle the rigorous thermal demands of HVAC air handlers and high-efficiency gas furnaces

Always use the orifice size specified by the manufacturer's LP conversion kit

York S1-9951-0961 Orifice and Nordyne M7 and MG9Ensuring proper combustion in York furnace LP conversion projects requires precise fuel delivery, which is exactly why the S1 9951 0961 is engineered with a specific . 096" drill size. This #41 gas orifice is a critical recovery component for York, Luxaire, and Coleman units when transitioning from natural gas to liquid propane. Unlike generic alternatives, this OEM replacement offers the exact threading and flow rate needed to maintain the correct